<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryIfno.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="adddialogVisible=true"> 添加用户 </el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChanged(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
              <!-- 修改按钮 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>
            <el-tooltip
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryIfno.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryIfno.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
    <!-- 添加用户的对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="adddialogVisible"
      width="50%"
      @close="adddialogclose"
    >
    <!-- 内容主体 -->
    <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px" >
  <el-form-item label="用户名" prop="username">
    <el-input v-model="addForm.username"></el-input>
  </el-form-item>
  <el-form-item label="密码" prop="password">
    <el-input v-model="addForm.password"></el-input>
  </el-form-item>
  <el-form-item label="邮箱" prop="email">
    <el-input v-model="addForm.email"></el-input>
  </el-form-item>
  <el-form-item label="手机" prop="mobile">
    <el-input v-model="addForm.mobile"></el-input>
  </el-form-item>
    </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="adddialogVisible=false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button
        >
      </span>
    </el-dialog>
    <!-- 修改用户对话框 -->
    <el-dialog
  title="修改用户信息"
  :visible.sync="editDialogVisible"
  width="50%" @close="editDialogClosed">
  <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px" >
  <el-form-item label="用户名" >
    <el-input v-model="editForm.username" disabled></el-input>
  </el-form-item>
  <el-form-item label="邮箱" prop="email" >
    <el-input v-model="editForm.email" ></el-input>
  </el-form-item>
  <el-form-item label="手机" prop="mobile" >
    <el-input v-model="editForm.mobile" ></el-input>
  </el-form-item>
  </el-form>
  <span slot="footer" class="dialog-footer">
    <el-button @click="editDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUserInfo">确 定</el-button>
  </span>
</el-dialog>
<!-- 分配角色对话框 -->
<el-dialog
  title="分配角色"
  :visible.sync="setRoleDialogVisible"
  width="50%"
  @close="setRoleDialogClosed"
  >
 <div>
   <p>当前用户：{{userInfo.username}}</p>
   <p>当前角色：{{userInfo.role_name}}</p>
   <p>分配新角色：
  <el-select v-model="selectedRoleId" placeholder="请选择">
    <el-option
      v-for="item in rolesList"
      :key="item.id"
      :label="item.roleName"
      :value="item.id">
    </el-option>
  </el-select>
   </p>
 </div>
  <span slot="footer" class="dialog-footer">
    <el-button @click="setRoleDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
  </span>
</el-dialog>
  </div>
</template>
<script>
export default {
  data() {
      var checkEmail=(rule,value,cb)=>{
         const regEmail= /^[A-Za-z\d]+([-_.][A-Za-z\d]+)*@([A-Za-z\d]+[-.])+[A-Za-z\d]{2,4}$/
          if(regEmail.test(value))
          {
              return cb()
          }
          cb(new Error('请输入合法邮箱'))
      }
      var checkMobile=(rule,value,cb)=>{
          const regMobile=/^[1][3,4,5,7,8][0-9]{9}$/
          if(regMobile.test(value))
          {
              return cb()
          }
          cb(new Error('请输入合法手机号'))
      }
    return {
      // 获取用户列表参数对象
      queryIfno: {
        query: '',
        pagenum: 1,
        pagesize: 2,
      },
      userlist: [],
      total: 0,
      adddialogVisible:false,
      addForm:{
          username:'',
          password:'',
          email:'',
          mobile:''
      },
      addFormRules:{
        username:[
            {required:true,message:'请输入用户名',trigger:'blur'},
            {min:3,max:10,message:'用户名的长度在3~10个字符之间',trigger:'blur'}
            ],
        password:[
            {required:true,message:'请输入密码',trigger:'blur'},
            {min:6,max:15,message:'密码的长度在6~15个字符之间',trigger:'blur'}

        ],
        email:[
            {required:true,message:'请输入邮箱',trigger:'blur'},
            {validator:checkEmail,trigger:'blur'}
        ],
        mobile:[
            {required:true,message:'请输入手机号',trigger:'blur'},
            {validator:checkMobile,trigger:'blur'}
        ]

        
      },
    //   控制修改用户对话框的显示与隐藏
      editDialogVisible:false,
    //   查询到的用户信息对象
      editForm:{},
      editFormRules:{
          email:[
              {required: true, message:'请输入用户邮箱', trigger: 'blur'},
            {validator:checkEmail,trigger: 'blur'},
        
          ],
          mobile:[
              {required: true, message:'请输入用户手机号', trigger: 'blur'},
            {validator:checkMobile,trigger: 'blur'},
        
          ]
          
      },
      setRoleDialogVisible:false,
      userInfo:{},
      rolesList:[],
      selectedRoleId:''
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.queryIfno,
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败')
      }
      ;(this.userlist = res.data.users), (this.total = res.data.total)
    },
    // 监听pagesize改变的事件
    handleSizeChange(newSize) {
      this.queryIfno.pagesize = newSize
      this.getUserList()
    },
    // 监听页码值改变的事件
    handleCurrentChange(newPage) {
      this.queryIfno.pagenum = newPage
      this.getUserList()
    },
    // 监听swith开关状态的改变
    async userStateChanged(userinfo) {
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      )
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败')
      }
      this.$message.success('更新用户状态成功')
    },
    // 监听对话用户对话框的关闭事件
    adddialogclose(){
        this.$refs.addFormRef.resetFields()
    },
    // 添加新用户
    addUser(){
        this.$refs.addFormRef.validate(async valid=>{
            if(!valid) return
           const{data:res} =await this.$http.post('users',this.addForm)
           if(res.meta.status !==201)
           {
              this.$message.error('添加用户失败')
           }
           this.$message.success('添加用户成功')
           this.adddialogVisible=false
           this.getUserList()
        })
    },
    async showEditDialog(id){
        // 展示编辑用户对话框
       const {data:res} =await this.$http.get('users/'+id)
       if(res.meta.status !== 200){
           return this.$message.error('查询用户信息失败!')
       }
        this.editForm=res.data
        this.editDialogVisible=true
    },
    // 监听修改用户框关闭事件
    editDialogClosed(){

      this.$refs.editFormRef.resetFields()
    },
    // 修改用户信息并提交
    editUserInfo(){
      this.$refs.editFormRef.validate(async valid=>{
        if(!valid) return
        // 发起修改信息请求
       const{data: res} =await this.$http.put('users/'+this.editForm.id,{email:this.editForm.email
        ,mobile:this.editForm.mobile})
      
      if(res.meta.status !== 200)
      {
        return this.$message.error('更新用户信息失败')
      }
      // 关闭对话框
      this.editDialogVisible=false
      // 刷新数据列表
      this.getUserList()
      // 提示修改成功
      this.$message.success('更新用户信息成功')
      
      })
    },
    // 根据id删除对应用户信息
    async removeUserById(id){

    const confirmResult =  await  this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
        ).catch(err=>err)
        if(confirmResult !=='confirm')
        {
          return this.$message.info('已取消删除')
        }
       const {data:res}=await this.$http.delete('users/'+id)
        if(res.meta.status!==200)
        {
          return this.$message.error('删除用户失败')
        }
        this.$message.success('删除用户成功')
        this.getUserList()

    },
   async  setRole(userInfo){
      this.userInfo=userInfo
    const{data:res} = await this.$http.get('roles')
  if(res.meta.status!==200)
        {
          return this.$message.error('获取角色列表失败')
        }
       this.rolesList=res.data
      this.setRoleDialogVisible=true
    },
    async saveRoleInfo(){
      if(!this.selectedRoleId){
        return this.$message.error('请选择分配角色！')
      }
     const{data:res}= await this.$http.put(`users/${this.userInfo.id}/role`,{rid:this.selectedRoleId})
     if(res.meta.status!==200)
        {
          return this.$message.error('更新角色列表失败')
        }
         this.$message.success('更新角色列表成功')
         this.getUserList()
         this.setRoleDialogVisible=false
    },
    setRoleDialogClosed(){
      this.selectedRoleId=''
      this.userInfo={}
    }

  }
}
</script>
<style lang="less" scoped>
</style>